<form id="form3" method="post" action="{:U('portal/Channel/doAddAdmin')}">
  <table width="97%" border="0" cellpadding="0" cellspacing="3" align="left" class="mt10">
      <tr>
      <td height="30" align="left">{:W('SearchUsers',array('name'=>'admin'))}</td>
    </tr>
    <tr>
      <td height="30" align="left">
        <input type="hidden" name="channelId" id="channelId" value="{$channelId}" />
        <input type="submit" class="btn_sea" value="增加" /></td>
    </tr>
  </table>
</form>